19372221

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17789}}^1$

素因数の和:17817

約数の個数: 18

約数和(自身を含む): 30758910

約数和(自身を除く): 11386689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17789, 53367, 160101, 195679, 587037, 1761111, 2152469, 6457407, 19372221]

約数ペア:

[(1, 19372221), (3, 6457407), (9, 2152469), (11, 1761111), (33, 587037), (99, 195679), (121, 160101), (363, 53367), (1089, 17789)]